//大部分情况是导出对象
export default {
  person: {
    name: 'chanzany',
    age: 12,
    coding() {
      console.log('hello world')
    },
  },
  version: 1,
}

//可以导出任意类型，但同时只能有一个export default
// export default version = 1 Uncaught SyntaxError: Identifier '.default' has already been declared
